IndiaBIX

Biochemical Engineering - Water Treatment

Exercise : Water Treatment - Section 1
  • Water Treatment - Section 1
21.
Which of the following substances are commonly used in a filter?
Charcoal
Sand
Both (a) and (b)
Aluminum chloride
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Biological oxidation processes usually referred as biological treatment, are the most common form of
primary treatment
secondary treatment
tertiary treatment
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The maximum permissible limit (BIS) of turbidity in drinking water is
5 NTU
10 NTU
15 NTU
20 NTU
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Sedimentation is a physical process used in wastewater treatment to
remove particles that are less dense than water
remove particles that are more dense than water
remove the pertinacious material from the water
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The ultimate source of water is
rivers and lakes
dew and forest
rain and snow
underground and surface
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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